Home / 29,304.90-40,440.47-15,875.33

Finding the Fourth Proportional to 29,304.90, 40,440.47 and 15,875.33

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Solution

The fourth proportional to 29,304.90, 40,440.47 and 15,875.33 is: 21,907.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,304.90 : 40,440.47 = 15,875.33 : x
  2. Step 2: Convert to fraction form
    29,304.90/40,440.47 = 15,875.33/x
  3. Step 3: Cross multiply
    29,304.90x = 40,440.47 × 15,875.33
  4. Step 4: Simplify right side
    29,304.90x = 642,005,525.03
  5. Step 5: Solve for x
    x = 642,005,525.03/29,304.90
  6. Step 6: Final answer
    x = 21,907.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.